Chemical vaporizer



FIG. 1 is a front view showing a chemical vaporizer of the presentdesign;

FIG. 2 is a rear view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a right-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a cross-sectional view taken along line 7—7 of FIG. 1; and,

FIG. 8 is a cross-sectional view taken along line 8—8 of FIG. 1.

The ornamental design for a chemical vaporizer, as shown and described.